Mazda 3 Owners Manual: Fuel and Engine Exhaust Precautions
Fuel Requirements
Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED
FUEL,
which will reduce exhaust emissions and keep spark plug fouling to a minimum.
This vehicle will perform best wit ...
Other materials:
Down Switch Inspection [Fw6 A EL]
Continuity Inspection
NOTE:
The down switch is built into the selector lever component.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the console..
4. Disconnect the selector lever component connector.
5. Verify that the continuity betw ...
Throttle Body Inspection [Mzr 2.0, Mzr 2.5]
Resistance Inspection
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Disconnect the throttle body connector.
4. Measure the resistance between throttle body terminals E and F.
Throttle body resistance
0.3—100 ohms [20°C {68 °F}]
If no ...
Engine Coolant Temperature (ECT) Sensor Inspection [Mzr 2.0, Mzr 2.5]
ECT Sensor No.1
Resistance inspection
WARNING:
When the engine is hot, it can badly burn. Turn off the engine and wait until
it is cool before removing the ECT sensor.
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Drain the engine coolant..
4. R ...
